of akron



J. KERCH April 2, 1929.

FURNACE Filed 001'.. 28. 1926 ATTORNEYS.

'Patened Apr. 2, 192.9.

UITED STATES PATENT FFQ?.

HEROE, OF AKRON, OHIO, ASSG'NOR .v

VENTILATING COVPANY, OF AKRON, OHM), A COBPORAWEON OF OTIO.

TOT

FURNACE.

Application filed @ctober 3 inveniion relates to steel furnaces. @ener-al purpose o lhe invenrion is to owed lining for Jlbe l e pot o 'hereby certain important adf 'aired in ibis type of furna Yhe invension has *E its obrevision an eiective itces in .,vbich air passages a e prodireci-ing air into a bod7 of pot *so pro lace better eonibvx giri` w Lreferably belng fire bric1 f sections of oasi; iron set thereifi, iih latter are orn'ied the air pz s The i'oregoing and ohei: objects of the Vennen are abn lned by the eonserucillisiraed in lie accompanying drauand described below. It is lo be underof Frou rawings, l() represents a `.-'i ig' or spel, such as boiler plate, rate ll 'therein and lined above will be deeerilml. is constructed on a suitable su pas a flange l2, secured in casprel'erably Consists in two courses l i built on rin@` 12. The lower :ourse .may consist of alternaely arranged ,lions of rire brick, indicaed at 13, 13, and cast "on, indicaed at 14, lll, the laier being 'orined with Vertical passages 15, l5 having slos 16, 1G therein J`lirougli which air can iow from passe/ges l5 into the fire pot, the slots 16 being` narrov.7 at their Iops and Widening toward their bottoms so that they Cannot` clog, rlhe upper course may consist of lire 8, 192. Serial h lasse qeu-,eye

in die Center of me j 10 is protected by 5o air which The @est l. of subsai D f warping' or crnshii peraure in lire por.

has heretofore been proposed to use a i orieli lini or a steel urnaoe, but such l irnaees are noi; entirelj saisfacrory for Clie i Cson thav efi'icien'ls combustion cannot be f ined. invention provid liz will be apparent that the 3s simple, ineiroensive consrueiou for accomplishing the desired resalt.

Modiicaliii the invention may be rel to ,xf'ithou deparing roin the spirit )e or the appended clai ai on'er steel ezsing, a se zu 'ed 1 i ricerlor of libe oasv, .-1, .,t allow me, pnl i, the iingnhaaiug.; verm ral www lor liuc admission o1" air` and L n albeinato lions or cae'J iron and hre brick rrzfui'ged abonijhe 'fasingr ano supporled by the ring, 'the cast iron sections beine.` substantra ly equal me o the lire bij-iol; seozions and ha.: 8O

d Vertical passage- 4 Y al the secions to pro de rear Walls to he passages probed-Qing the casing and resiriced vertical slots coniecting; the passageways with the inerior 'f he lire pol, the passageways in the cada S5 ron seerions being in register with Jehe pasy Ways through the ring.

JOHN KERCH. 

